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December 8, 2025BloodOpen Access

Efficacy of motixafortide plus G-CSF versus plerixafor plus G-CSF for stem cell mobilization and collection in multiple myeloma: A single-center comparative analysis and interim Results from a prospective study in poor mobilizers

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Authors

SSSuhayla SarhanKGKristine GearyCCCorey Cutler

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Overview

Interim results indicate motixafortide improves stem cell yield in poor mobilizers compared to plerixafor, highlighting efficacy and safety concerns.

Key Points

  • To evaluate the efficacy of motixafortide plus G-CSF versus plerixafor plus G-CSF in poor mobilizers with multiple myeloma.
  • Matched cohorts of MM patients receiving either G-CSF plus motixafortide or plerixafor.
  • Primary outcomes included apheresis days, collection yield, and adverse reactions.
  • Statistical analyses employed Mann-Whitney and Student's t-test.
  • Motixafortide showed a greater fold-increase in pbCD34+ in the poor mobilizer group (21.6 vs 9.1).
  • Higher median CD34+ yield was observed with motixafortide (4.12 vs 2.09 million cells/kg).
  • Frequent adverse reactions were recorded with motixafortide, including significant injection site pain.

Cite This Study

Sarhan et al. (2025) studied this question.

synapsesocial.com/papers/69362f4e4fa91c937236d88dhttps://doi.org/10.1182/blood-2025-4185
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Improved hematopoietic stem cell mobilization for gene therapy using single agent motixafortide in sickle cell disease2025
  2. 2Motixafortide + G-CSF hematopoietic stem cell mobilization in patients with multiple myeloma following quadruplet induction therapy2025
  3. 3Comparison of the efficacy of a generic plerixafor versus Mozobil as adjunct peripheral blood stem cell mobilization agents in multiple myeloma patients2024 · 3 citations
  4. 4The effect of plerixafor on autologous stem cell mobilization, cell viability, and apheresis challenges2024
  5. 5Etoposide + cytarabine + pegfilgrastim vs cyclophosphamide + granulocyte colony-stimulating factor for stem-cell mobilization in patients with multiple myeloma: A phase III trial2025